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APC QS (Notes Based Q&As) > Construction Technology > Flashcards

Construction Technology Flashcards

1
Q

Soil investigation methods

A
  1. Direct methods : Test pits, trial pits, trenches

2. Semi-direct : Boring

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2
Q

Soil improvement methods:

A
  1. Vibration
  2. Dynamic Compaction
  3. Jet Grouting
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3
Q

Compaction methods

A
  1. Kneading
  2. Static
  3. Dynamic
  4. Imapct and vibtatory compaction
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4
Q

Backfilling methods

A
  1. Covenentional compaction

2. Vibro compaction test

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5
Q

Shoring methods

A
  1. Sheet pile
  2. Contiguous pile
  3. Secant pile
  4. Diaphragm wall
  5. Cofferdams
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6
Q

Dewatering methods

A
  1. WellPoint method
  2. Deep WellPoint
  3. Educator
  4. Open sump pumping
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7
Q

Functions of a Foundation

A
  1. Safely transfer the total load to the ground
  2. To prevent settlement of the structure
  3. To provide stability to the structure against forces ex: Earthquakes, Tsunami
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8
Q

Factors affecting selecting of foundation ?

A
  1. Soil conditions
  2. Loads from building
  3. Type of structure in neighborhood
  4. Construction noise and vibrations
  5. Cost
  6. Programme
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9
Q

Types of pile foundations

A
  1. Friction piles
  2. End bearing piles
  3. Combination of friction and end bearing
  4. Tension piles
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10
Q

Material wise piles types

A
  1. Timber piles
  2. Concrete Piles
  3. Steel piles
  4. Composite piles
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11
Q

Pile Tests

A
  1. Pile integrity testing
  2. Dynamic Pile Testing
  3. Static Pile Testing
  4. Lateral pile testing
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12
Q

Underpinning

A

Process of strengthening and stabilizing the foundation of an existing building

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13
Q

Waterproofing methods

A
  1. Cementitious Waterproofing
  2. Liquid waterproofing membrane
  3. Bituminous Membrane.
  4. Bituminous coating.
  5. Polyurethane liquid membrane
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14
Q

Waterproofing Materials

A
  1. Paint apply
  2. Bituminous Membrane
  3. Protection
  4. Concrete screed/ Gravel / Paving
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15
Q

Type of concrete

A
  1. Mass concrete
  2. In-situ concrete
  3. Precast Concrete
  4. Pre-stressed concrete
  5. Post Tension Concrete
  6. Composite slab
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16
Q

Concrete mixing

A
  1. Batch mixers

2. Continuous mixers

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17
Q

Composite slab

A

Consists of a concrete topping cast onto metal decking

18
Q

Advantages of composite slab

A

• Steel deck can be used as permanent formwork
• Speed construction
• Slab thickness is less compare to RCC slab
• Cost Effective , Reduce the reinforcement qty
• Smooth and even soffit
* Less weight

19
Q

Concrete tests

A
  1. Slump test
  2. Temperature
  3. Core test
  4. Cube test
20
Q

Formwork types

A
  • Traditional timber
  • Engineered formwork system
  • Re0usable plastic formwork
  • Permanent insulated formwork
  • Flexible formwork
  • Slip formwork
  • Tunnel Formwork
21
Q

Type of Frame structures;

A
  1. In-situ reinforcement concrete frame
  2. Prestressed concrete
  3. Steel Frame
  4. Cold formed steelwork
  5. Precast concrete frames
  6. Timber frames
22
Q

Steel structure fire resistance options

A
  1. Concrete encasement
  2. Masonry encasement
  3. Thick sprayed coatings
  4. Boards
  5. Preformed casing
  6. Intumescent paints
23
Q

Advantages and disadvantages of Steel frames

A

Advantages

  1. Longer span
  2. Clear height is more
  3. Speedy
  4. Pre assembly

Disadvantages

  1. Low Fire resistance
  2. Corrosion
  3. More cost
  4. Regular maintainace
24
Q

Advantages of PT Slab?

A
  1. Saving on steel
    1. Saving on concrete
    2. Lager spans and greater strength
      1. Less construction time
25
Q

What are the Fire Fighting Systems available ?

A
  1. Wet riser system
  2. Dry riser system
  3. FM 200 system (Gas)
  4. Degule system (Chemical)
26
Q

Active and Passive Fire fighting systems?

A

Passive: Fire wall, Fire Floor, Fire Doors, Fire Dampers

Active FF: Sprinkler systems, Dry Riser Systems

27
Q

What is BMS?

A

A Building Management System is a control system and it is commonly using for monitor and amange the mechanical and electrical services.

Element in BMS:

  1. DDC Panel
  2. Cabling System
  3. Monitor
  4. Field devices

Measured as an Item

28
Q

What is CCTV Sytem

A

Closed-circuit television : Provide 24/7 Surveillance to protect from burglaries and theft

CCTV system;

  1. Power supply to camera
  2. Data outlet
  3. Monitoring sytem
29
Q

What is a SMATV system?

A

SMATV - Satellite master antenna television: multiple satelite single integrated cable signal for distribution (you own in-house cable company)

It is inlcudes:

  1. Satellite Antenna
  2. Coax Cable
  3. Splitter
30
Q

Ventilation system in buildings

A
  1. Natural Vatilation system (Windows,Louvers, Doors)

2. Mechanical Vantilation System (Extract Fans, Motorized Lowers, AC systems)

31
Q

Type of air in HVAC system

A

Supply air
Return air
Extract air
Fresh air

32
Q

Material use for HVAC

A

Stain stell
Galvanized iron
Plastic

33
Q

Duct insulation materials

A

Rubber insulation

Rock wall insulation

34
Q

Chilled water pipe insulation materials

A 
K-Flex flexible closed cell
Cellular glass
Fibrous
Polyisocyanurate
Phenolic
35
Q

Fire dampers & Volume control dampers

A

Fire dampers; prevent fire travelling through the ducks

Volume control dampers: control the air flow

36
Q

District cooling system

A

Cetralized production and distribution of the colling energy.

37
Q

SCADA

A

System Control and Data Acquisition - centralized systems which monitor and control a system

38
Q

Demolition methods

A
  1. Crane & Balls
  2. High Reach Arm
  3. Selective Demolition
  4. Implosion
39
Q

Types of Foundations

A

Shallow Foundations: Pad, Strip, Raft

Deep Foundations: Drilled Shafts or caissons.

40
Q

Advatage of Bus Bar

A
  1. Installation time reduce
  2. Very impact so space saving
  3. Reduce cables runs
  4. Provide good aesthetic view to a building
  5. Increased the safety (high quality components)

APC QS (Notes Based Q&As) (5 decks)

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